Home / 30,884,311.76-42,621,134.60-16,945,663.15

Finding the Fourth Proportional to 30,884,311.76, 42,621,134.60 and 16,945,663.15

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Solution

The fourth proportional to 30,884,311.76, 42,621,134.60 and 16,945,663.15 is: 23,385,445.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,884,311.76 : 42,621,134.60 = 16,945,663.15 : x
  2. Step 2: Convert to fraction form
    30,884,311.76/42,621,134.60 = 16,945,663.15/x
  3. Step 3: Cross multiply
    30,884,311.76x = 42,621,134.60 × 16,945,663.15
  4. Step 4: Simplify right side
    30,884,311.76x = 722,243,390,098,050.62
  5. Step 5: Solve for x
    x = 722,243,390,098,050.62/30,884,311.76
  6. Step 6: Final answer
    x = 23,385,445.52

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.